Dejan Milosavljevic <dmi### [at] xoommail com> wrote:
> What's wrong and why?
[snipped code]
I would say it's a precision problem - the sphere's surface around <0, 0, 1>
is just on the break between the alternating colours of the checker pattern,
and rounding errors lead to a somewhat unexpected change in texture.
Setting the sphere's radius to just under 1 (eg. 0.9999) solves the problem.
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